Profiles of minimally verbal autistic children: Illuminating the neglected end of the spectrum.
Maria Pizzano, Stephanie Shire, Wendy Shih and 5 others
PMID 38803132WHAT IT FOUND
Minimally verbal autistic children are not a single group.
They split into three distinct profiles: one with global delays, one with strong cognition but weak speech, and one with strong social communication but lower cognition. Treatment should match the profile, not just the word count.
Key findings
01Latent profile analysis identified three distinct subgroups of minimally verbal autistic children based on cognition, communication, and autism severity.
02One subgroup had strong nonverbal cognition but fewer spontaneous words than another subgroup that had lower cognition but higher social communication skills.
03Initiations to share differentiated all three subgroups, while initiations to request only separated the most delayed group from the other two.
STILL TO COME
How it was doneWhat they foundWhat it means for OTsWhat it means for SLPs
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What it does not show
The sample size (344) is considered small for latent profile analysis, which may limit the generalizability of the identified subgroups. The study combined data from two different trials with different inclusion criteria and assessment measures (e.g., MSEL vs. Leiter-R for cognition), which introduces variability in how skills were measured. The cutoff of 20 words for 'minimally verbal' is artificial and may have influenced the size of Profile 3. The study is cross-sectional (baseline data only), so it does not show how these profiles change over time or how they respond to specific interventions.
Declared interests
Dr. Kasari collaborates on the JASPER intervention manual and receives profits from it. Dr. Lord receives royalties from Western Psychological Services for the ADOS. The study was supported by NIH grants.
The easy way to misread this
Do not interpret these profiles as fixed diagnostic categories or proof that one intervention works for a specific profile. This was a cross-sectional analysis of baseline data from trials, not an outcome study. The profiles describe current skill patterns, not necessarily future trajectories or treatment responses.